Unfortunate events have rained heavily upon us since last month.
从上月起，倒霉的事接踵而来。
But there is little evidence that it works - after all, how do investigating scientists know it would not have rained anyway?
然而，几乎没有证据表明这是可行的——毕竟，进行调查的科学家如何得知老天就一定不会下雨呢？
It must have rained in the night, for when I woke the next morning I saw the grass wet.
当我次日一早醒来时看到草地是湿的，想必是前一天晚上下过雨。
It can't have rained last week, or the crops would not have died.
上星期肯定没有下过雨，否则的话，庄稼不会死。
When you disperse silver iodide into the sky, it is very hard to know whether it would have rained anyway, "Kasparian added."
而在天空中喷洒碘化银则很难判断其降雨效果。“卡斯帕·里安补充说。”
When you disperse silver iodide into the sky, it is very hard to know whether it would have rained anyway, "Kasparian added."
而在天空中喷洒碘化银则很难判断其降雨效果。“卡斯帕·里安补充说。”
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